Plow attachment for regulating depth of furrows.



No. 633,940. Patented Sept. 26 |899.

H. H. ALLEN.` PLow ATTACHMENT F`oiz"RauLA|uG DEPTHVoF Fummws.

ion med .my 29, 1899.3

(Applicat tNo Model.:

i ggg Awww@ WSA ,w @.m A. @A x@ N SAA www UNITED STATES HERBERT n. ALLEN, or .BRooK'svILLR FLORIDA.

PATENT OFFICE.

PLOW ATTACHMENT Fon REG ULATING .Dl-:PTH oF FURRows.

SPECIFICATION forming part of Letters Patent No, 633,940, dated September 26, 1899. 'Application med .my 29, 1899. sean No. 725,507. ou man.)

To all whom it may concern:

Beit knownthat I, HERBERT' H. ALLEN, a

citizen of the United States, residing at Brooks- I ville, in* the county of 'Hernando and State of ism on the plow-beam.

Florida, have invented certain new and useful Improvements in Plow 'Attachments for Regulating the Depth of Cutting lihirrowsg'v andI do d eclare the following to be j a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form la partA of this specification. l

This invention relates to new and useful improvements in attachments to plow-beams for thepurpose-'of regulating the depth4 at which it isV desired to havethe plow eut the furrow; and it consists in the provision of means whereby the driver of the team to which the plowis attached can by means'of a lever having connection with the pivoted clips at the end of the plow-beam' raise or ,lower the same and by so doing throw the draft on the beam at the upper or lower portion thereof accordingly as it is desired to have the plow cut a deep or shallow furrow.

More specifically the invention consists in an `attachment for plow-beams forregulating the depth at which it is desired to have the furrow cut and comprises swingingplates which are pivoted near the end of the plow-beam and carrying the clevis to which the .team is connected, said swinging plates having transverse slots in which antifriction-rollers are mounted upon stub-shafts, levers beingconnected to the swinging ends of said plates, and connections between said levers and an operating-handle whereby the plates may be raised or lowered by means of .the operatinghandle carried by suitable clamping mechan- To these ends and to such others as the invention may pertain the same consists,`fur

` ther, in the novel construction, arrangement,

and adaptation of parts, as will be hereinafter more fully described and lthen specifically defined in the appended claims.

My invention is clearly illustrated in the accompanyingdrawings, which, with the letplates B.

I 'tersof reference marked thereon, form part of vthis application, and in which drawings I have shown, in

Figure l, a side elevation of my invention as applied tothebeam of a plow. Fig. 2 is a'plan view of thesame, and Fig. 3 is an venlarged horizontal section through a portion of the plow-beam.y

Reference now being had to the details of the drawings by letter, A designates a plowbeam of any known shape, and pivoted near the free end of said beam are the plates B, mounted on the pivots B', and each of said plates has a transverse and slightly-curved slot C, and at the ends of each plate are a series of holes D, in whichthe clevis E is adapted to beheld. Mounted on the pins F,

extending laterally from the opposite faces of the beam, are the antifrictiou'rollers G, which'are of ,such a diameter as to snugly fit the curved transverse slots in said plates and to ride against the edges of'said slots as the plates are raised and lowered. Secured to the beam are two clamping members, one of which is composed of two plates H 'andHQ which are held together and to the beam by means of the bolts J passing through the angles of said plates. One of said plates H has an upturned projecting portion h, carryingk a stub-shaf t K, on which are pivoted the two angle-levers M, the forward ends of these angle-levers 'each carrying'pivotal pins K', to which are pivoted the bars N, the outer ends of which are apertured and pivoted to a pin Q, which passes through registering apertures in the two The rear clamping member, or the one attached nearest to the Vhandles of the plow-beam, is composed of two plates R and R", whichare held to the beam by means of bolts S ina similar manner as the platesl H and H are held to the beam. One of said plates, R', has a series of 'segment-teeth T upon its upper curved edge. Pivoted on the pin R2, which is the pin carried at the lower endfof the plates R and R', is a'lever L, to which lever is pivoted, as at V, a lever W,

the other end of which is pivoted to the up-A .per angles of each of the levers M, as at W'. f

By this connectionvit will be noted that as the said lever L is swung upon its pivot the plates B will be raised or lowered, which will cause the clevis also to be raised or lowered7 and accordingly the plow will'cut deeper or Shallower, as may be desired.

In order to hold the attachment in an adj usted position, I provide a spring-actuated pawl P, the lower end of which is adapted to engage with the teeth on the segment portion of the plate R', while its upper end is con nected to the hand-operated lever P.

Having thus described my invention, what I claim to be new, and desire to secure by Letters Patent, is-

l. An attachment to p1ow-bearns for regnlating the depth at which it isdesired to out, a furrow,- consisting of two plates pivoted to the opposite faces of the plow-beam, transverse slots in said plates, antifrictionrollers carried by the beam and guided in said slots, clamping devices held' to the beam, and 1evers carried by said clamping devices, and having connection with said plates, and a hand operating-lever,where by the plates may be raised or lowered, as shown and described.

2. An attachment to plow-beams to regnlate the depth at which it is desired to cut a furrow, consisting in combination with the beam, of the two pivoted plates carried thereby, transverse slots therein, antifriction-rollers carried by the beam and guided in said slots, the clamping devices secured to said beam, one of which clamping devices has a pivoted hand-lever, angle-levers pivoted to an extension on the second of said clamping members, links connecting the forward ends of said angle-levers, and the swinging plates and a connection between the angle-levers and the operating-levers, whereby said plates may be raised or` lowered, and held in an adj usted position, as shown and described.

In testimony whereof I aiiX my signature in presence of two Witnesses.

y HERBERT H. ALLEN. Witnesses:

JOHN C. LAW, A. B. WHELPLEY. 

